Help on question 1b please? (image attached)
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Chemistry, 22.06.2019 21:00
Rays from the sun are not considered matter true or false
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The organs inside the body and how they function together
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Chemistry, 23.06.2019 02:50
Dumbledore decides to gives a surprise demonstration. he starts with a hydrate of na2co3 which has a mass of 4.31 g before heating. after he heats it he finds the mass of the anhydrous compound is found to be 3.22 g. he asks everyone in class to determine the integer x in the hydrate: na2co3·xh2o; you should do this also. round your answer to the nearest integ
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Chemistry, 23.06.2019 08:00
Amechanical wave that transports a lot of energy will have a
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History, 25.12.2019 19:31
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